body {
    background-color: #eee;
}

.bigdata-header {
    background-color: #fff;
}

main {
    width: 1000px;
    height: 660px;
    background-color: #fff;
    margin-top: 40px;
    margin: 0 auto;
    margin-top: 40px;
}

.main-box {
    width: 430px;
    height: 520px;
    /* background-color: #00bdff; */
    margin: 0 auto;
}

.main-box h2 {
    font-size: 30px;
    font-weight: 700;
    padding-top: 20px;
    margin-bottom: 10px;
}

.main-box h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 20px;
}

.main-box-registered {
    width: 430px;
    height: 24px;
    font-size: 14px;
    line-height: 24px;
    padding-left: 100px;
    color: #fff;
    border-radius: 4px;
    background: url(../images/reg-gift.png) no-repeat #ed510a;
    background-position: 70px 3px;
}

.main-box .form {
    margin-top: 20px;
    width: 800px;
    height: 240px;
}

.main-box .form span {
    display: none;
    margin-left: 20px;
    color: #ed510a;
    float: left;
    line-height: 20px;
    margin-bottom: 20px;
    position: relative;
    top: -10px;
}

.main-box .form span::before {
    content: "";
    display: block;
    width: 20px;
    height: 20px;
    background: url(../images/loginIcon.png)no-repeat;
    background-position: -27px -31px;
    position: relative;
    top: 15px;
    left: -20px;
}

.form input {
    width: 430px;
    height: 40px;
    margin-bottom: 20px;
    border: 1px solid #aaa;
    border-radius: 2px;
    text-indent: 10px;
    float: left;
}

.code {
    position: relative;
}

.form .code button {
    width: 126px;
    height: 40px;
    position: absolute;
    top: 88px;
    right: 370px;
    border: 1px solid #aaa;
}

.checkbox {
    position: relative;
    top: 2px;
}

.main-box span a {
    color: #52d5ff;
}

.main-box .btn {
    width: 430px;
    height: 50px;
    background-color: #aaa;
    color: #fff;
    margin-top: 30px;
    border-radius: 4px;
    border: none;
}